Add fixes to CHANGELOG

Author: pluma

CHANGELOG.md

@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unpublished]
 
+### Fixed
+
+- Fixed `edgeCollection.save` not respecting options ([#554](https://github.com/arangodb/arangojs/issues/554))
+
+- Fixed `database.createDatabase` TypeScript signature ([#561](https://github.com/arangodb/arangojs/issues/561))
+
 ## [6.5.0] - 2018-08-03
 
 ### Changed
@@ -88,8 +94,11 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ### Fixed
 
 - Fixed `collection.update(documentHandle, newValue, opts)` missing return value
+
 - Fixed `collection.removeByKeys(keys, options)` missing return value
+
 - Fixed `collection.replaceByExample(example, newValue, opts)` missing return value
+
 - Fixed `collection.updateByExample(example, newValue, opts)` missing return value
 
 ## [6.2.2] - 2018-03-21